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[AMDGPU] Split exp instructions out into their own tablegen file. NFC.

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Differential Revision: https://reviews.llvm.org/D91246
This commit is contained in:
Jay Foad 2020-11-11 10:04:22 +00:00
parent 979c494731
commit dfb3b2257d
4 changed files with 107 additions and 95 deletions
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106
lib/Target/AMDGPU/EXPInstructions.td Normal file
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@ -0,0 +1,106 @@
//===-- EXPInstructions.td - Export Instruction Definitions ---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// EXP classes
//===----------------------------------------------------------------------===//
class EXPCommon<dag outs, dag ins, string asm, list<dag> pattern> :
InstSI<outs, ins, asm, pattern> {
let EXP = 1;
let EXP_CNT = 1;
let mayLoad = 0; // Set to 1 if done bit is set.
let mayStore = 1;
let UseNamedOperandTable = 1;
let Uses = [EXEC];
let SchedRW = [WriteExport];
}
class EXP_Helper<bit done> : EXPCommon<
(outs),
(ins exp_tgt:$tgt,
ExpSrc0:$src0, ExpSrc1:$src1, ExpSrc2:$src2, ExpSrc3:$src3,
exp_vm:$vm, exp_compr:$compr, i32imm:$en),
"exp$tgt $src0, $src1, $src2, $src3"#!if(done, " done", "")#"$compr$vm", []> {
let AsmMatchConverter = "cvtExp";
}
// Split EXP instruction into EXP and EXP_DONE so we can set
// mayLoad for done=1.
multiclass EXP_m<bit done> {
let mayLoad = done, DisableWQM = 1 in {
let isPseudo = 1, isCodeGenOnly = 1 in {
def "" : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.NONE>;
}
let done = done in {
def _si : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.SI>,
EXPe {
let AssemblerPredicate = isGFX6GFX7;
let DecoderNamespace = "GFX6GFX7";
}
def _vi : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.VI>,
EXPe_vi {
let AssemblerPredicate = isGFX8GFX9;
let DecoderNamespace = "GFX8";
}
def _gfx10 : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.GFX10>,
EXPe {
let AssemblerPredicate = isGFX10Plus;
let DecoderNamespace = "GFX10";
}
}
}
}
//===----------------------------------------------------------------------===//
// EXP Instructions
//===----------------------------------------------------------------------===//
defm EXP : EXP_m<0>;
defm EXP_DONE : EXP_m<1>;
//===----------------------------------------------------------------------===//
// EXP Patterns
//===----------------------------------------------------------------------===//
class ExpPattern<ValueType vt, Instruction Inst, int done_val> : GCNPat<
(int_amdgcn_exp timm:$tgt, timm:$en,
(vt ExpSrc0:$src0), (vt ExpSrc1:$src1),
(vt ExpSrc2:$src2), (vt ExpSrc3:$src3),
done_val, timm:$vm),
(Inst timm:$tgt, ExpSrc0:$src0, ExpSrc1:$src1,
ExpSrc2:$src2, ExpSrc3:$src3, timm:$vm, 0, timm:$en)
>;
class ExpComprPattern<ValueType vt, Instruction Inst, int done_val> : GCNPat<
(int_amdgcn_exp_compr timm:$tgt, timm:$en,
(vt ExpSrc0:$src0), (vt ExpSrc1:$src1),
done_val, timm:$vm),
(Inst timm:$tgt, ExpSrc0:$src0, ExpSrc1:$src1,
(IMPLICIT_DEF), (IMPLICIT_DEF), timm:$vm, 1, timm:$en)
>;
// FIXME: The generated DAG matcher seems to have strange behavior
// with a 1-bit literal to match, so use a -1 for checking a true
// 1-bit value.
def : ExpPattern<i32, EXP, 0>;
def : ExpPattern<i32, EXP_DONE, -1>;
def : ExpPattern<f32, EXP, 0>;
def : ExpPattern<f32, EXP_DONE, -1>;
def : ExpComprPattern<v2i16, EXP, 0>;
def : ExpComprPattern<v2i16, EXP_DONE, -1>;
def : ExpComprPattern<v2f16, EXP, 0>;
def : ExpComprPattern<v2f16, EXP_DONE, -1>;

11
lib/Target/AMDGPU/SIInstrFormats.td
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@ -363,15 +363,4 @@ class VINTRPCommon <dag outs, dag ins, string asm, list<dag> pattern> :
let VALU = 1;
}
class EXPCommon<dag outs, dag ins, string asm, list<dag> pattern> :
InstSI<outs, ins, asm, pattern> {
let EXP = 1;
let EXP_CNT = 1;
let mayLoad = 0; // Set to 1 if done bit is set.
let mayStore = 1;
let UseNamedOperandTable = 1;
let Uses = [EXEC];
let SchedRW = [WriteExport];
}
} // End Uses = [EXEC]

47
lib/Target/AMDGPU/SIInstrInfo.td
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@ -1419,53 +1419,6 @@ class SIMCInstr <string pseudo, int subtarget> {
int Subtarget = subtarget;
}
//===----------------------------------------------------------------------===//
// EXP classes
//===----------------------------------------------------------------------===//
class EXP_Helper<bit done> : EXPCommon<
(outs),
(ins exp_tgt:$tgt,
ExpSrc0:$src0, ExpSrc1:$src1, ExpSrc2:$src2, ExpSrc3:$src3,
exp_vm:$vm, exp_compr:$compr, i32imm:$en),
"exp$tgt $src0, $src1, $src2, $src3"#!if(done, " done", "")#"$compr$vm", []> {
let AsmMatchConverter = "cvtExp";
}
// Split EXP instruction into EXP and EXP_DONE so we can set
// mayLoad for done=1.
multiclass EXP_m<bit done> {
let mayLoad = done, DisableWQM = 1 in {
let isPseudo = 1, isCodeGenOnly = 1 in {
def "" : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.NONE>;
}
let done = done in {
def _si : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.SI>,
EXPe {
let AssemblerPredicate = isGFX6GFX7;
let DecoderNamespace = "GFX6GFX7";
}
def _vi : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.VI>,
EXPe_vi {
let AssemblerPredicate = isGFX8GFX9;
let DecoderNamespace = "GFX8";
}
def _gfx10 : EXP_Helper<done>,
SIMCInstr <NAME, SIEncodingFamily.GFX10>,
EXPe {
let AssemblerPredicate = isGFX10Plus;
let DecoderNamespace = "GFX10";
}
}
}
}
//===----------------------------------------------------------------------===//
// Vector ALU classes
//===----------------------------------------------------------------------===//

38
lib/Target/AMDGPU/SIInstructions.td
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@ -19,43 +19,7 @@ include "VOPInstructions.td"
include "SMInstructions.td"
include "FLATInstructions.td"
include "BUFInstructions.td"
//===----------------------------------------------------------------------===//
// EXP Instructions
//===----------------------------------------------------------------------===//
defm EXP : EXP_m<0>;
defm EXP_DONE : EXP_m<1>;
class ExpPattern<ValueType vt, Instruction Inst, int done_val> : GCNPat<
(int_amdgcn_exp timm:$tgt, timm:$en,
(vt ExpSrc0:$src0), (vt ExpSrc1:$src1),
(vt ExpSrc2:$src2), (vt ExpSrc3:$src3),
done_val, timm:$vm),
(Inst timm:$tgt, ExpSrc0:$src0, ExpSrc1:$src1,
ExpSrc2:$src2, ExpSrc3:$src3, timm:$vm, 0, timm:$en)
>;
class ExpComprPattern<ValueType vt, Instruction Inst, int done_val> : GCNPat<
(int_amdgcn_exp_compr timm:$tgt, timm:$en,
(vt ExpSrc0:$src0), (vt ExpSrc1:$src1),
done_val, timm:$vm),
(Inst timm:$tgt, ExpSrc0:$src0, ExpSrc1:$src1,
(IMPLICIT_DEF), (IMPLICIT_DEF), timm:$vm, 1, timm:$en)
>;
// FIXME: The generated DAG matcher seems to have strange behavior
// with a 1-bit literal to match, so use a -1 for checking a true
// 1-bit value.
def : ExpPattern<i32, EXP, 0>;
def : ExpPattern<i32, EXP_DONE, -1>;
def : ExpPattern<f32, EXP, 0>;
def : ExpPattern<f32, EXP_DONE, -1>;
def : ExpComprPattern<v2i16, EXP, 0>;
def : ExpComprPattern<v2i16, EXP_DONE, -1>;
def : ExpComprPattern<v2f16, EXP, 0>;
def : ExpComprPattern<v2f16, EXP_DONE, -1>;
include "EXPInstructions.td"
//===----------------------------------------------------------------------===//
// VINTRP Instructions